This package NVMUpdate_Package_Silicom_158 is designed to P4CG2i81-QX4 for update fw ver.3.00/3.20 to fw ver.4.10. ================================================================================================================== Operating System Support ======================== E810_NVMUpdatePackage_v4_10_EFI.tar.gz - for EFI x64 E810_NVMUpdatePackage_v4_10_ESX.tar.gz - for ESX x64 E810_NVMUpdatePackage_v4_10_FreeBSD.tar.gz - for FreeBSD x64 E810_NVMUpdatePackage_v4_10_Linux.tar.gz - for Linux x64 E810_NVMUpdatePackage_v4_10_Windows.zip - for Windows x64